CN114273860A - Design, processing and control method of locking type damping washer - Google Patents
Design, processing and control method of locking type damping washer Download PDFInfo
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- CN114273860A CN114273860A CN202111597529.2A CN202111597529A CN114273860A CN 114273860 A CN114273860 A CN 114273860A CN 202111597529 A CN202111597529 A CN 202111597529A CN 114273860 A CN114273860 A CN 114273860A
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- washer
- gasket
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- carrying
- teeth
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000013461 design Methods 0.000 title claims abstract description 10
- 238000012545 processing Methods 0.000 title claims abstract description 9
- 238000013016 damping Methods 0.000 title abstract description 8
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 10
- 239000010935 stainless steel Substances 0.000 claims abstract description 10
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000004381 surface treatment Methods 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 6
- 229960000541 cetyl alcohol Drugs 0.000 claims abstract description 4
- 239000011248 coating agent Substances 0.000 claims abstract description 4
- 238000000576 coating method Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims abstract description 4
- 238000007689 inspection Methods 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 10
- 230000035939 shock Effects 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000003672 processing method Methods 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Gasket Seals (AREA)
- Bolts, Nuts, And Washers (AREA)
Abstract
The application discloses a design processing and control method of a locking type damping washer in the technical field of aircraft manufacturing, which comprises the following steps: preparing materials: selecting an aviation stainless steel cold-rolled sheet, and arranging a gasket on the stainless steel cold-rolled sheet; cutting: cutting the shape and the four teeth in the inner cavity by using a linear cutting machine according to the shape of the gasket to obtain a primary gasket product; and (3) heat treatment: carrying out solution heat treatment on the washer primary product in the step two, and then carrying out hardness detection to enable the hardness of the washer primary product to be within the range of 120-180 HV; chamfering: chamfering the internal teeth of the washer primary product subjected to heat treatment in the third step; deburring: removing burrs on the surface of the primary washer after chamfering, so that the surface of the primary washer is flat and smooth; surface treatment: coating cetyl alcohol on the surface of the washer primary product subjected to deburring in the fifth step; and (4) checking: and (4) carrying out dimension and appearance inspection on the gasket subjected to surface treatment to obtain a gasket finished product. This scheme is with the anti-seismic performance who increases the packing ring.
Description
Technical Field
The invention relates to the technical field of aircraft manufacturing, in particular to a design, processing and control method of a locking type damping washer.
Background
With the development of aviation industry in China, airplanes and products used for airplane starting tend to be highly precise, the performance requirements are higher and higher, and the flying environment is severe. The demand for parts on aircraft has also increased.
The washer is an important part for the lug ring joint part of the airplane operation connecting rod, and the washer has the main purposes that: 1. the locking function between the ear ring joint and the operation connecting rod; 2. the cracking phenomenon of the two due to rigid contact can be prevented; 3. can solve the strong impact force caused by the vibration generated by external factors and has the function of shock absorption. However, the shock resistance of the existing gasket is limited, so that a design, processing and control method of the gasket with higher shock resistance is needed.
Disclosure of Invention
The invention aims to provide a design processing and control method of a locking type damping washer so as to increase the anti-seismic performance of the washer.
In order to solve the technical problems, the invention provides the following technical scheme: a design processing method of a locking type shock absorption gasket comprises the following steps:
step one, preparing materials: selecting an aviation stainless steel cold-rolled sheet, and arranging a gasket on the stainless steel cold-rolled sheet;
step two, cutting: cutting the shape and the four teeth in the inner cavity by using a linear cutting machine according to the shape of the gasket to obtain a primary gasket product;
step three, heat treatment: carrying out solution heat treatment on the washer primary product in the step two, and then carrying out hardness detection to enable the hardness of the washer primary product to be within the range of 120-180 HV;
step four, chamfering: chamfering the internal teeth of the washer primary product subjected to heat treatment in the third step;
step five, deburring: removing burrs on the surface of the primary washer after chamfering, so that the surface of the primary washer is flat and smooth;
step six, surface treatment: coating cetyl alcohol on the surface of the washer primary product subjected to deburring in the fifth step;
step seven, checking: and (4) carrying out dimension and appearance inspection on the gasket subjected to surface treatment to obtain a gasket finished product.
A method of controlling a lock-type cushion ring, comprising the steps of:
step one, bending: the finished product of the multi-machined gasket is bent by 90 degrees at the excircle without generating cracks;
step two, assembling: after the machining is finished, a torque wrench is used for carrying out an assembly experiment, and the inner four teeth of the washer are required to be meshed with the adjusting gasket and not to break;
step three: bending simulation: and (4) after the gasket is still qualified after the first step and the second step, performing a 90-degree bending simulation experiment on the gasket.
Further, during the preparation in the first step, a stainless steel cold-rolled plate made of OCr18Ni9 is selected.
Further, the thickness tolerance range of the raw material plate is controlled within 0.03mm during material preparation in the step one.
Further, when the four teeth in the inner cavity of the washer are cut in the second step, the symmetry degree of the four teeth in the inner cavity is controlled to be smaller than 0.1 mm.
Further, when the assembly is carried out in the second step, a torque wrench is used for clamping the handle with the torque of 500 N.M for screwing.
The invention has the beneficial effects that:
1. through the design processing method in the scheme, the quality and the stability of the gasket are effectively guaranteed, and the use working condition of the similar structure environment can be improved through the locking type damping gasket and the control requirement.
2. Make anti-seismic performance reinforcing through installing locking type damping washer additional to from taking locking function to make the structure more reliable, install the flight 200 hours of simulating behind the locking type damping washer in this scheme additional, this structure keeps steady state, accords with operation requirement, has better quality and service strength.
Detailed Description
A design processing method of a locking type shock absorption gasket comprises the following steps:
step one, preparing materials: selecting a stainless steel cold-rolled sheet made of OCr18Ni9, controlling the thickness tolerance range of the raw material sheet within 0.03mm, and arranging a gasket shape on the stainless steel cold-rolled sheet;
step two, cutting: cutting the shape and the four teeth in the inner cavity by using a linear cutting machine according to the shape of the gasket, and controlling the symmetry degree of the four teeth in the inner cavity to be less than 0.1mm when the four teeth in the inner cavity of the gasket are cut to obtain a primary gasket product;
step three, heat treatment: carrying out solution heat treatment on the washer primary product in the step two, and then carrying out hardness detection to enable the hardness of the washer primary product to be within the range of 120-180 HV;
step four, chamfering: chamfering the internal teeth of the washer primary product subjected to heat treatment in the third step;
step five, deburring: removing burrs on the surface of the primary washer after chamfering, so that the surface of the primary washer is flat and smooth;
step six, surface treatment: coating cetyl alcohol on the surface of the washer primary product subjected to deburring in the fifth step;
step seven, checking: and (4) carrying out dimension and appearance inspection on the gasket subjected to surface treatment to obtain a gasket finished product.
A method of controlling a lock-type cushion ring, comprising the steps of:
step one, bending: bending the excircle of the processed gasket by 90 degrees without generating cracks on the finished gasket;
step two, assembling: after the machining is finished, a torque wrench is used for carrying out an assembly experiment, during assembly, the torque wrench is used for clamping a torque of 500 N.M to the handle for screwing, and the inner four teeth of the gasket are required to be meshed with the adjusting gasket and not to break;
step three: bending simulation: and (4) after the gasket is still qualified after the first step and the second step, performing a 90-degree bending simulation experiment on the gasket.
Claims (6)
1. A design processing method of a locking type shock absorption gasket is characterized by comprising the following steps:
step one, preparing materials: selecting an aviation stainless steel cold-rolled sheet, and arranging a gasket on the stainless steel cold-rolled sheet;
step two, cutting: cutting the shape and the four teeth in the inner cavity by using a linear cutting machine according to the shape of the gasket to obtain a primary gasket product;
step three, heat treatment: carrying out solution heat treatment on the washer primary product in the step two, and then carrying out hardness detection to enable the hardness of the washer primary product to be within the range of 120-180 HV;
step four, chamfering: chamfering the internal teeth of the washer primary product subjected to heat treatment in the third step;
step five, deburring: removing burrs on the surface of the primary washer after chamfering, so that the surface of the primary washer is flat and smooth;
step six, surface treatment: coating cetyl alcohol on the surface of the washer primary product subjected to deburring in the fifth step;
step seven, checking: and (4) carrying out dimension and appearance inspection on the gasket subjected to surface treatment to obtain a gasket finished product.
2. The control method of a lock-type cushion ring according to claim 1, wherein: the method comprises the following steps:
step one, bending: the finished product of the multi-machined gasket is bent by 90 degrees at the excircle without generating cracks;
step two, assembling: after the machining is finished, a torque wrench is used for carrying out an assembly experiment, and the inner four teeth of the washer are required to be meshed with the adjusting gasket and not to break;
step three: bending simulation: and (4) after the gasket is still qualified after the first step and the second step, performing a 90-degree bending simulation experiment on the gasket.
3. The method for designing and processing the locking type cushion ring according to claim 1, wherein: in the first step, a stainless steel cold-rolled plate made of OCr18Ni9 is selected when stock is prepared.
4. The method for designing and processing the locking type cushion ring according to claim 3, wherein: and controlling the thickness tolerance range of the raw material plate within 0.03mm during material preparation in the first step.
5. The method for designing and processing the locking type cushion ring according to claim 4, wherein: and when the four teeth in the inner cavity of the washer are cut in the second step, controlling the symmetry degree of the four teeth in the inner cavity to be less than 0.1 mm.
6. The control method of a lock-type cushion ring according to claim 2, wherein: and during assembly in the second step, a torque wrench is used for adding 500 N.M torque to the handle for screwing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111597529.2A CN114273860A (en) | 2021-12-24 | 2021-12-24 | Design, processing and control method of locking type damping washer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111597529.2A CN114273860A (en) | 2021-12-24 | 2021-12-24 | Design, processing and control method of locking type damping washer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114273860A true CN114273860A (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111597529.2A Pending CN114273860A (en) | 2021-12-24 | 2021-12-24 | Design, processing and control method of locking type damping washer |
Country Status (1)
| Country | Link |
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| CN (1) | CN114273860A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2045649A (en) * | 1979-04-05 | 1980-11-05 | Dana Corp | Method of making metal gaskets |
| CN101493111A (en) * | 2008-10-22 | 2009-07-29 | 陈炳顺 | Special disk spring gasket and clutch release bearing assembly |
| CN102601596A (en) * | 2012-03-29 | 2012-07-25 | 浙江吉利汽车研究院有限公司 | Method for machining differential gear ring components |
| CN103776629A (en) * | 2014-02-07 | 2014-05-07 | 中国重汽集团济南动力有限公司 | Instrument for measuring torsional rigidity of built-up gear |
| CN105127682A (en) * | 2015-08-21 | 2015-12-09 | 黄重九 | Machining method of internal tooth washer |
| CN107953074A (en) * | 2016-10-18 | 2018-04-24 | 宁波南螺建通紧固件有限公司 | A kind of internal tooth lock washer processing technology |
| CN208155592U (en) * | 2018-05-31 | 2018-11-27 | 荆州市九菱科技有限公司 | A kind of ring gear torque test device |
| CN110315291A (en) * | 2019-07-04 | 2019-10-11 | 成都飞机工业（集团）有限责任公司 | A kind of processing method and shaping jig of internal tooth washer |
| CN113102955A (en) * | 2021-04-23 | 2021-07-13 | 襄阳天宇机械有限公司 | Tooth-shaped processing technology of metal sealing washer |
-
2021
- 2021-12-24 CN CN202111597529.2A patent/CN114273860A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2045649A (en) * | 1979-04-05 | 1980-11-05 | Dana Corp | Method of making metal gaskets |
| CN101493111A (en) * | 2008-10-22 | 2009-07-29 | 陈炳顺 | Special disk spring gasket and clutch release bearing assembly |
| CN102601596A (en) * | 2012-03-29 | 2012-07-25 | 浙江吉利汽车研究院有限公司 | Method for machining differential gear ring components |
| CN103776629A (en) * | 2014-02-07 | 2014-05-07 | 中国重汽集团济南动力有限公司 | Instrument for measuring torsional rigidity of built-up gear |
| CN105127682A (en) * | 2015-08-21 | 2015-12-09 | 黄重九 | Machining method of internal tooth washer |
| CN107953074A (en) * | 2016-10-18 | 2018-04-24 | 宁波南螺建通紧固件有限公司 | A kind of internal tooth lock washer processing technology |
| CN208155592U (en) * | 2018-05-31 | 2018-11-27 | 荆州市九菱科技有限公司 | A kind of ring gear torque test device |
| CN110315291A (en) * | 2019-07-04 | 2019-10-11 | 成都飞机工业（集团）有限责任公司 | A kind of processing method and shaping jig of internal tooth washer |
| CN113102955A (en) * | 2021-04-23 | 2021-07-13 | 襄阳天宇机械有限公司 | Tooth-shaped processing technology of metal sealing washer |
Non-Patent Citations (2)
| Title |
|---|
| 中国汽车工程学会等: "汽车紧固件实用技术手册", vol. 1, 30 November 2018, 中国质检出版社, pages: 279 - 280 * |
| 周文凤;李昌安;王武顺;: "65Mn钢弹簧垫圈热处理工艺改进", 热加工工艺, no. 06, pages 163 - 164 * |
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Application publication date: 20220405 |
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